Finding the Fourth Proportional to 145,024.19, 217,542.18 and 69,083.70
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Solution
The fourth proportional to 145,024.19, 217,542.18 and 69,083.70 is: 103,628.35
Step by Step Solution
- Step 1: Write the proportion equation
145,024.19 : 217,542.18 = 69,083.70 : x - Step 2: Convert to fraction form
145,024.19/217,542.18 = 69,083.70/x - Step 3: Cross multiply
145,024.19x = 217,542.18 × 69,083.70 - Step 4: Simplify right side
145,024.19x = 15,028,618,143.75 - Step 5: Solve for x
x = 15,028,618,143.75/145,024.19 - Step 6: Final answer
x = 103,628.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.